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([178.197.216.144]) by smtp.gmail.com with ESMTPSA id w14-20020a5d608e000000b002bc84c55758sm6048927wrt.63.2023.01.25.09.59.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Jan 2023 09:59:48 -0800 (PST) From: Krzysztof Kozlowski To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Alim Akhtar , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH] dt-bindings: usb: samsung,exynos-dwc3: allow unit address in DTS Date: Wed, 25 Jan 2023 18:59:43 +0100 Message-Id: <20230125175943.675823-1-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The Samsung Exynos SoC USB 3.0 DWC3 Controller is a simple wrapper of actual DWC3 Controller device node. It handles necessary Samsung Exynos-specific resources (regulators, clocks), but does not have its own MMIO address space. However neither simple-bus bindings nor dtc W=1 accept device nodes in soc@ node which do not have unit address. Therefore allow using the address space of child device (actual DWC3 Controller) as the wrapper's address. Signed-off-by: Krzysztof Kozlowski --- DTS fixes are here: https://lore.kernel.org/linux-samsung-soc/20230125175751.675090-1-krzysztof.kozlowski@linaro.org/T/#t --- .../devicetree/bindings/usb/samsung,exynos-dwc3.yaml | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/usb/samsung,exynos-dwc3.yaml b/Documentation/devicetree/bindings/usb/samsung,exynos-dwc3.yaml index 6b9a3bcb3926..a94b1926dda0 100644 --- a/Documentation/devicetree/bindings/usb/samsung,exynos-dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/samsung,exynos-dwc3.yaml @@ -29,6 +29,9 @@ properties: ranges: true + reg: + maxItems: 1 + '#size-cells': const: 1 @@ -108,8 +111,9 @@ examples: #include #include - usb { + usb-wrapper@12000000 { compatible = "samsung,exynos5250-dwusb3"; + reg = <0x12000000 0x10000>; #address-cells = <1>; #size-cells = <1>; ranges;